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ICS 12    Theobroma cacao

 Lockwood, G. & Gyamfi, M.M.O. (1979)
The CRIG cocoa germplasm collection with notes on codes used in the breeding programme at Tafo and elsewhere. Technical Bulletin, No. 10, Cocoa Research Institute, Tafo, Ghana. pp. 62.

Derivation: Imperial College Selections.
Location: ICTA, Trinidad and Tobago.

Notes:  Lockwood & Gyamfi, 1979 [LOC79A] Selections from farms in Trinidad (1-100) and from Criollo progenies (101-107).

Cope, 1949a [COP49A]. One hundred selections were made as a result of a survey started in 1930 by Pound.

Bartley, 1993a [BAR93A]. Numbers 1 to 100 were selected from all over Trinidad, numbers 101 to 107 were Criollo trees selected from a farm but all have been lost and numbers greater than 111 are selections made in an experimental programme.

Bartley, 1996a [BAR96A]. The ICS material includes several clones which resulted from recent (at that time) introductions. These include Criollos from Nicaragua (ICS 60 and its relatives) or Venezuela. Other ICS clones represent "Amazonian" types originally introduced from the Orinoco. It is likely that several introductions were involved in creating the diversity that existed in Trinidad when Pound started the selection work.

Bartley, 1997b [BAR97B] From ICS 113 onwards these clones were used as parents in the AX / MX series. The same cross be known by an equivalent C [TTO] name.
 

Synonyms: I S C 12

 RECOMMENDED PLANTING MATERIAL    Disclaimer

 Susilo, Agung W, 2015
Recommended seed parent in:
Indonesia (Jember, East Java)
Seed Garden / Source: PT PP Jember Indonesia
Other Seed Garden Parents: ICS 60   |  ICS 13   |  DR 1   |  SCA 6   |  SCA 12 
Recommended by: Indonesian Coffee and Cocoa Research Institute (ICCRI), Indonesia
 Reference

 PEDIGREE DETAILS

 Parents:
NIC  x Unknown   Lockwood, G. & Gyamfi, M.M.O., 1979
 Mother to:
C 26 [TRI]    Trinidad - ICTA, No Date
SI 12 /1    Trinidad - CRU, 2002

 HELD IN

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Current List   ICQC,R Website
• Accession: RUQ 1688     ICQC,R 
   - Local Name: ICS 12
   - Year of Accession: 2011
List received in 2018   Reference
• Accession: 22159
   - Local Name: ICS-12
   - Year of Accession: 2014
List received in 2011   Reference
• Local Name: ICS 12

 YIELD

 Frances Bekele & Gillian Bidaisee, 2022
Pod Index: 27.1 (pods per kg dried beans)
 Reference

 BEAN

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 Bartley, B.G.D., 1970
Colour White: Present
 Reference
 Frances Bekele & Gillian Bidaisee, 2022
Colour: purple
Shape: ovate
Number: 48.0
Total Wet Weight: 54.7 g
Cotyledon Dry Weight: 0.77 g
Cotyledon Length: 20.4 mm
Cotyledon Width: 11.9 mm
 Reference
 Trinidad - Dept of Agriculture, No Date
Colour White: Present
 Reference

 BUTTERFAT

 Frances Bekele & Gillian Bidaisee, 2022
Testa: 5.20 %
 Reference

 FRUIT

 Frances Bekele & Gillian Bidaisee, 2022
Shape: elliptical
Basal Constriction: strong
Apex Form: acute
Rugosity: intense
Length: 175.0 mm
Breadth: 71.0 mm
Colour: anthocyanin absent
Hardness: hard
Note: Hardness > 2.0 Mpa
 Reference

 FLUSH

 Frances Bekele & Gillian Bidaisee, 2022
Colour: slight anthocyanin
 Reference

 FLOWER

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 Bartley, B.G.D., 1970
Self Compatibility: self incompatible
 Reference
 Frances Bekele & Gillian Bidaisee, 2022
Ligule Colour: moderate anthocyanin
Stamen Colour: moderate anthocyanin
Sepal Length: 8.28 mm
Ligule Width: 2.42 mm
Ovule Number: 52
Style Length: 2.20 mm
Pedicel Colour: reddish
 Reference
 Trinidad - Dept of Agriculture, No Date
Self Compatibility: self incompatible
 Reference

Lockwood, G. & Gyamfi, M.M.O. (1979) The CRIG cocoa germplasm collection with notes on codes used in the breeding programme at Tafo and elsewhere. Technical Bulletin, No. 10, Cocoa Research Institute, Tafo, Ghana. pp. 62.
Susilo, Agung W (2015) BREEDING PROGRAM AND DEVELOPMENT PLANTING MATERIAL OF COCOA (Theobroma Cacao L.) IN INDONESIA. Asia Pacific Regional Cocoa Research Workshop Davao Philippines, 12-15th October 2015.
Trinidad - ICTA (No Date) List of C Crosses. Unpublished report, Imperial College of Tropical Agriculture, Trinidad. pp.4.
Trinidad - CRU (2002) ICG,T accessions database, reply to queries regarding names new to ICGD. Dr. David Butler, ICG,T Trinidad. Personal Communication. 12 September 2002.
Allan Mata (2018) Accession list for the International Cacao Collection at CATIE (IC3). Personal communication.
CRU (2011) ICG,T accessions. CRU website.
Frances Bekele & Gillian Bidaisee (2022) Morphological data from the International Cocoa Collection (ICG,T) maintained by the Cocoa Research Centre (CRC), Trinidad & Tobago. Unpublished data on fruit, bean, flower and flush morphology supplied as an Excel spreadsheet by Frances Bekele. Last update March 2022.
Bartley, B.G.D. (1970) A preliminary catalogue of the cacao germplasm held at the University of the West Indies, Trinidad. University of the West Indies, St. Augustine, Trinidad.
Trinidad - Dept of Agriculture (No Date) Description of clonal cacao trees (mainly ICS clones). Unpublished notebook, Department of Agriculture, Trinidad.